stagefright: rework media codec list and infos

This is in preparation of serving the codec list and codec infos
from the mediaserver

Bug: 11990470
Change-Id: Ib8e2708679c9ce461a4ba179974a740cdcdf2731

4 files changed, 198 insertions, 36 deletions

diff --git a/include/media/IMediaCodecList.h b/include/media/IMediaCodecList.h
new file mode 100644
index 0000000..e93ea8b
--- /dev/null
+++ b/include/media/IMediaCodecList.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_IMEDIACODECLIST_H
+#define ANDROID_IMEDIACODECLIST_H
+
+#include <utils/Errors.h>  // for status_t
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+
+namespace android {
+
+struct MediaCodecInfo;
+
+class IMediaCodecList: public IInterface
+{
+public:
+    DECLARE_META_INTERFACE(MediaCodecList);
+
+    virtual size_t countCodecs() const = 0;
+    virtual sp<MediaCodecInfo> getCodecInfo(size_t index) const = 0;
+
+    virtual ssize_t findCodecByType(
+            const char *type, bool encoder, size_t startIndex = 0) const = 0;
+
+    virtual ssize_t findCodecByName(const char *name) const = 0;
+};
+
+// ----------------------------------------------------------------------------
+
+class BnMediaCodecList: public BnInterface<IMediaCodecList>
+{
+public:
+    virtual status_t    onTransact( uint32_t code,
+                                    const Parcel& data,
+                                    Parcel* reply,
+                                    uint32_t flags = 0);
+};
+
+}; // namespace android
+
+#endif // ANDROID_IMEDIACODECLIST_H
diff --git a/include/media/MediaCodecInfo.h b/include/media/MediaCodecInfo.h
new file mode 100644
index 0000000..29315ce
--- /dev/null
+++ b/include/media/MediaCodecInfo.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2014, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MEDIA_CODEC_INFO_H_
+
+#define MEDIA_CODEC_INFO_H_
+
+#include <binder/Parcel.h>
+#include <media/stagefright/foundation/ABase.h>
+#include <media/stagefright/foundation/AString.h>
+
+#include <sys/types.h>
+#include <utils/Errors.h>
+#include <utils/KeyedVector.h>
+#include <utils/RefBase.h>
+#include <utils/Vector.h>
+#include <utils/StrongPointer.h>
+
+namespace android {
+
+struct AMessage;
+struct Parcel;
+struct CodecCapabilities;
+
+struct MediaCodecInfo : public RefBase {
+    struct ProfileLevel {
+        uint32_t mProfile;
+        uint32_t mLevel;
+    };
+
+    struct Capabilities : public RefBase {
+        void getSupportedProfileLevels(Vector<ProfileLevel> *profileLevels) const;
+        void getSupportedColorFormats(Vector<uint32_t> *colorFormats) const;
+        uint32_t getFlags() const;
+        const sp<AMessage> &getDetails() const;
+
+    private:
+        Vector<ProfileLevel> mProfileLevels;
+        Vector<uint32_t> mColorFormats;
+        uint32_t mFlags;
+        sp<AMessage> mDetails;
+
+        Capabilities();
+
+        // read object from parcel even if object creation fails
+        static sp<Capabilities> FromParcel(const Parcel &parcel);
+        status_t writeToParcel(Parcel *parcel) const;
+
+        DISALLOW_EVIL_CONSTRUCTORS(Capabilities);
+
+        friend class MediaCodecInfo;
+    };
+
+    bool isEncoder() const;
+    bool hasQuirk(const char *name) const;
+    void getSupportedMimes(Vector<AString> *mimes) const;
+    const sp<Capabilities> &getCapabilitiesFor(const char *mime) const;
+    const char *getCodecName() const;
+
+    /**
+     * Serialization over Binder
+     */
+    static sp<MediaCodecInfo> FromParcel(const Parcel &parcel);
+    status_t writeToParcel(Parcel *parcel) const;
+
+private:
+    // variable set only in constructor - these are accessed by MediaCodecList
+    // to avoid duplication of same variables
+    AString mName;
+    bool mIsEncoder;
+    bool mHasSoleMime; // was initialized with mime
+
+    Vector<AString> mQuirks;
+    KeyedVector<AString, sp<Capabilities> > mCaps;
+
+    sp<Capabilities> mCurrentCaps; // currently initalized capabilities
+
+    ssize_t getCapabilityIndex(const char *mime) const;
+
+    /* Methods used by MediaCodecList to construct the info
+     * object from XML.
+     *
+     * After info object is created:
+     * - additional quirks can be added
+     * - additional mimes can be added
+     *   - OMX codec capabilities can be set for the current mime-type
+     *   - a capability detail can be set for the current mime-type
+     *   - a feature can be set for the current mime-type
+     *   - info object can be completed when parsing of a mime-type is done
+     */
+    MediaCodecInfo(AString name, bool encoder, const char *mime);
+    void addQuirk(const char *name);
+    status_t addMime(const char *mime);
+    status_t initializeCapabilities(const CodecCapabilities &caps);
+    void addDetail(const AString &key, const AString &value);
+    void addFeature(const AString &key, int32_t value);
+    void complete();
+
+    DISALLOW_EVIL_CONSTRUCTORS(MediaCodecInfo);
+
+    friend class MediaCodecList;
+};
+
+}  // namespace android
+
+#endif  // MEDIA_CODEC_INFO_H_
+
+
diff --git a/include/media/stagefright/MediaCodecList.h b/include/media/stagefright/MediaCodecList.h
index c11fcc9..8605d99 100644
--- a/include/media/stagefright/MediaCodecList.h
+++ b/include/media/stagefright/MediaCodecList.h
@@ -20,6 +20,9 @@
 
 #include <media/stagefright/foundation/ABase.h>
 #include <media/stagefright/foundation/AString.h>
+#include <media/IMediaCodecList.h>
+#include <media/IOMX.h>
+#include <media/MediaCodecInfo.h>
 
 #include <sys/types.h>
 #include <utils/Errors.h>
@@ -31,32 +34,22 @@ namespace android {
 
 struct AMessage;
 
-struct MediaCodecList {
-    static const MediaCodecList *getInstance();
+struct MediaCodecList : public BnMediaCodecList {
+    static sp<IMediaCodecList> getInstance();
 
-    ssize_t findCodecByType(
+    virtual ssize_t findCodecByType(
             const char *type, bool encoder, size_t startIndex = 0) const;
 
-    ssize_t findCodecByName(const char *name) const;
+    virtual ssize_t findCodecByName(const char *name) const;
 
-    size_t countCodecs() const;
-    const char *getCodecName(size_t index) const;
-    bool isEncoder(size_t index) const;
-    bool codecHasQuirk(size_t index, const char *quirkName) const;
+    virtual size_t countCodecs() const;
 
-    status_t getSupportedTypes(size_t index, Vector<AString> *types) const;
+    virtual sp<MediaCodecInfo> getCodecInfo(size_t index) const {
+        return mCodecInfos.itemAt(index);
+    }
 
-    struct ProfileLevel {
-        uint32_t mProfile;
-        uint32_t mLevel;
-    };
-    status_t getCodecCapabilities(
-            size_t index, const char *type,
-            Vector<ProfileLevel> *profileLevels,
-            Vector<uint32_t> *colorFormats,
-            uint32_t *flags,
-            // TODO default argument is only for compatibility with existing JNI
-            sp<AMessage> *capabilities = NULL) const;
+    // to be used by MediaPlayerService alone
+    static sp<IMediaCodecList> getLocalInstance();
 
 private:
     enum Section {
@@ -70,17 +63,8 @@ private:
         SECTION_INCLUDE,
     };
 
-    struct CodecInfo {
-        AString mName;
-        bool mIsEncoder;
-        uint32_t mTypes;
-        uint32_t mSoleType;
-        uint32_t mQuirks;
-        KeyedVector<uint32_t, sp<AMessage> > mCaps;
-        sp<AMessage> mCurrentCaps;
-    };
-
-    static MediaCodecList *sCodecList;
+    static sp<IMediaCodecList> sCodecList;
+    static sp<IMediaCodecList> sRemoteList;
 
     status_t mInitCheck;
     Section mCurrentSection;
@@ -88,9 +72,9 @@ private:
     int32_t mDepth;
     AString mHrefBase;
 
-    Vector<CodecInfo> mCodecInfos;
-    KeyedVector<AString, size_t> mCodecQuirks;
-    KeyedVector<AString, size_t> mTypes;
+    Vector<sp<MediaCodecInfo> > mCodecInfos;
+    sp<MediaCodecInfo> mCurrentInfo;
+    sp<IOMX> mOMX;
 
     MediaCodecList();
     ~MediaCodecList();
@@ -117,6 +101,8 @@ private:
     status_t addFeature(const char **attrs);
     void addType(const char *name);
 
+    status_t initializeCapabilities(const char *type);
+
     DISALLOW_EVIL_CONSTRUCTORS(MediaCodecList);
 };
 
diff --git a/include/media/stagefright/OMXCodec.h b/include/media/stagefright/OMXCodec.h
index 5590b60..e341160 100644
--- a/include/media/stagefright/OMXCodec.h
+++ b/include/media/stagefright/OMXCodec.h
@@ -28,7 +28,7 @@
 
 namespace android {
 
-struct MediaCodecList;
+struct MediaCodecInfo;
 class MemoryDealer;
 struct OMXCodecObserver;
 struct CodecProfileLevel;
@@ -115,7 +115,7 @@ struct OMXCodec : public MediaSource,
             Vector<CodecNameAndQuirks> *matchingCodecNamesAndQuirks);
 
     static uint32_t getComponentQuirks(
-            const MediaCodecList *list, size_t index);
+            const sp<MediaCodecInfo> &list);
 
     static bool findCodecQuirks(const char *componentName, uint32_t *quirks);